B61D 9/00
Tipping wagons
B61D9/00 (Tipping wagons) appears on 54 US grants and 26 published applications in this corpus.
Search patents in B61D- Granted patents
- 54
- Published applications
- 26
- Assignees
- 35
- Inventors
- 98
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 4 |
| 2019 | 1 | 4 |
| 2020 | 2 | 0 |
| 2021 | 4 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Large plate tilt railroad car23 Jun 2026US 12,662,172 B2Gunderson LLC
- Large plate tilt railroad car30 Dec 2025US 12,509,129 B2Gunderson LLC
- Coordinated braking systems and methods for rail cars21 May 2024US 11,987,457 B2Amsted Rail Company, Inc.
- Rail transport system17 May 2022US 11,332,168 B2Bulk Ore Shuttle System Pty Ltd
- Longitudinal sliding gate for hopper car10 Aug 2021US 11,084,508 B2Trinity Industries, Inc.
- Unloading system23 Jul 2026US 2026/0208986 A1Anglo American Technical & Sustainability Services Ltd
- Tie-arrangement system and method of delivering ties19 Sep 2024US 2024/0309590 A1Transportation IP Holdings, LLC
- One-way dump railroad car22 Aug 2024US 2024/0278812 A1JK Kabushiki Kaisha
- Large plate tilt railroad car26 Oct 2023US 2023/0339522 A1Gunderson LLC
- Large plate tilt railroad car17 Aug 2023US 2023/0257005 A1Gunderson LLC
Most cited
By later US patents
- Hydraulically actuated railway car dumping system106US 4,407,202 A1983
- High capacity bulk material transportation and discharge method and system100US 6,835,041 B1Bulk Unloading BA, LLC · 2004
- Pivoting back one-spot coke car97US 4,366,029 AKoppers Company, Inc. · 1982
- Reversible latching hinge66US 4,613,174 ASyntechnics, Inc. · 1986
- Drop center gondola car53US 4,331,083 AFMC Corporation · 1982